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Finding the Fourth Proportional to 222.07, 332.93 and 149.02

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Solution

The fourth proportional to 222.07, 332.93 and 149.02 is: 223.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.07 : 332.93 = 149.02 : x
  2. Step 2: Convert to fraction form
    222.07/332.93 = 149.02/x
  3. Step 3: Cross multiply
    222.07x = 332.93 × 149.02
  4. Step 4: Simplify right side
    222.07x = 49,611.65
  5. Step 5: Solve for x
    x = 49,611.65/222.07
  6. Step 6: Final answer
    x = 223.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.